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Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65

Portability
88
Imaging
52
Features
37
Overall
46
Ricoh GXR GR Lens A12 28mm F2.5 front
 
Samsung ST65 front
Portability
99
Imaging
37
Features
19
Overall
29

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 Key Specs

Ricoh GXR GR Lens A12 28mm F2.5
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 3200
  • 1280 x 720 video
  • 28mm (F2.5) lens
  • 140g - 113 x 70 x 56mm
  • Released September 2010
Samsung ST65
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 0 - 0
  • 1280 x 720 video
  • ()mm (F) lens
  • n/ag - 92 x 53 x 17mm
  • Introduced January 2011
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Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 Overview

Here is a detailed overview of the Ricoh GXR GR Lens A12 28mm F2.5 versus Samsung ST65, former being a Advanced Mirrorless while the latter is a Ultracompact by rivals Ricoh and Samsung. The image resolution of the GXR GR Lens A12 28mm F2.5 (12MP) and the ST65 (14MP) is relatively well matched but the GXR GR Lens A12 28mm F2.5 (APS-C) and ST65 (1/2.3") have different sensor dimensions.

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The GXR GR Lens A12 28mm F2.5 was released 4 months prior to the ST65 and they are both of a similar age. Each of these cameras have different body design with the Ricoh GXR GR Lens A12 28mm F2.5 being a Rangefinder-style mirrorless camera and the Samsung ST65 being a Ultracompact camera.

Before diving straight to a full comparison, here is a brief highlight of how the GXR GR Lens A12 28mm F2.5 grades versus the ST65 when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Ricoh GXR GR Lens A12 28mm F2.5 over the Samsung ST65

 GXR GR Lens A12 28mm F2.5 ST65 
Focus manually More exact focusing
Screen resolution920k460kSharper screen (+460k dot)

Reasons to pick Samsung ST65 over the Ricoh GXR GR Lens A12 28mm F2.5

 ST65 GXR GR Lens A12 28mm F2.5 

Common features in the Ricoh GXR GR Lens A12 28mm F2.5 and Samsung ST65

 GXR GR Lens A12 28mm F2.5 ST65 
IntroducedSeptember 2010January 2011Similar age
Screen typeFixed Fixed Fixed screen
Screen dimensions3"3"Equal screen sizing
Selfie screen Lack of selfie screen
Touch friendly screen Neither offers Touch friendly screen

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 Physical Comparison

For those who are going to carry your camera regularly, you're going to have to factor its weight and volume. The Ricoh GXR GR Lens A12 28mm F2.5 offers external dimensions of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") along with a weight of 140 grams (0.31 lbs) whilst the Samsung ST65 has sizing of 92mm x 53mm x 17mm (3.6" x 2.1" x 0.7") along with a weight of n/a grams (0.00 lbs).

Check out the Ricoh GXR GR Lens A12 28mm F2.5 versus Samsung ST65 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ based on the lens you have at the time. Below is a front view size comparison of the GXR GR Lens A12 28mm F2.5 compared to the ST65.

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 size comparison

Looking at dimensions and weight, the portability grade of the GXR GR Lens A12 28mm F2.5 and ST65 is 88 and 99 respectively.

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 top view buttons comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 Sensor Comparison

Normally, it is very hard to imagine the difference between sensor sizing simply by checking a spec sheet. The photograph underneath may give you a far better sense of the sensor dimensions in the GXR GR Lens A12 28mm F2.5 and ST65.

Clearly, both of these cameras have different megapixel count and different sensor sizing. The GXR GR Lens A12 28mm F2.5 because of its bigger sensor is going to make getting shallower depth of field less difficult and the Samsung ST65 will give more detail as a result of its extra 2MP. Higher resolution can also allow you to crop photographs a bit more aggressively.

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 sensor size comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 Screen and ViewFinder

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Portrait photography factors
Samsung ST65 Portrait photography factors
57
you can focus manually
nice sensor size (APS-C)
comes with face detect focus
delivers RAW formats
doesn't have liveview
MP count low (12 megapixels)
28
good megapixels (14MP)
focusing manually not possible
manual mode not possible
can't use external flash
sensor is small (1/2.3")
does not have RAW support
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Street Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Street photography factors
Samsung ST65 Street photography factors
70
nice sensor size (APS-C)
delivers RAW formats
lighter than competition in class (140 grams)
screen is fixed
lack of image stabilization
49
fixed screen
no image stabilization
sensor is small (1/2.3")
does not have RAW support
max ISO too low (0)
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Sports Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Sports photography features
Samsung ST65 Sports photography features
32
nice sensor size (APS-C)
focal length is fixed (28mm)
doesn't have liveview
painfully slow continuous shooting (5.0 frames per second)
lack of image stabilization
MP count low (12MP)
terrible battery life (320 CIPA)
doesn't have phase detect auto focus
26
good megapixels (14 megapixels)
fixed focal length (()mm)
no shutter priority
no image stabilization
sensor is small (1/2.3")
does not have phase detect AF
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Travel Comparison

Travel photography with Ricoh GXR GR Lens A12 28mm F2.5
Travel photography with Samsung ST65
58
lighter than competition in class (140 grams)
flash built-in
terrible battery life (320 per charge)
MP count low (12 megapixels)
screen is not selfie friendly
sluggish maximum aperture (f2.5)
71
good megapixels (14 megapixels)
flash built-in
fast max aperture (f)
lack of Time Lapse mode
doesn't have a selfie friendly display
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Landscape Comparison

Landscape photography with Ricoh GXR GR Lens A12 28mm F2.5
Landscape photography with Samsung ST65
47
you can focus manually
screen is a decent size (3 inches)
nice sensor size (APS-C)
delivers RAW formats
can't swap lenses (fixed lens mount)
focal length is fixed (28mm)
sluggish maximum aperture (f2.5)
doesn't have liveview
lack of image stabilization
MP count low (12 megapixels)
terrible battery life (320 per charge)
37
fast max aperture (f)
pretty good screen size (3 inch)
good megapixels (14MP)
focusing manually not possible
fixed lens (fixed lens mount)
fixed focal length (()mm)
manual mode not possible
no image stabilization
sensor is small (1/2.3")
max ISO too low (0)
does not have RAW support
lack of Time Lapse mode
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Vlogging Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Vlogging information
Samsung ST65 Vlogging information
28
comes with face detect focus
lighter than competition in class (140 grams)
sluggish maximum aperture (f2.5)
screen is not selfie friendly
lack of image stabilization
video quality not great (1280 x 720 pxls)
missing microphone jack
27
fast max aperture (f)
doesn't have a selfie friendly display
no image stabilization
video resolution low (1280 x 720 pxls)
lack of external mic socket
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Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST65 Specifications

Detailed spec comparison table for Ricoh GXR GR Lens A12 28mm F2.5 and Samsung ST65
 Ricoh GXR GR Lens A12 28mm F2.5Samsung ST65
General Information
Brand Name Ricoh Samsung
Model type Ricoh GXR GR Lens A12 28mm F2.5 Samsung ST65
Class Advanced Mirrorless Ultracompact
Released 2010-09-21 2011-01-19
Physical type Rangefinder-style mirrorless Ultracompact
Sensor Information
Powered by GR Engine III -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.6 x 15.7mm 6.16 x 4.62mm
Sensor surface area 370.5mm² 28.5mm²
Sensor resolution 12MP 14MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 -
Highest resolution 4288 x 2848 4608 x 3456
Highest native ISO 3200 -
Minimum native ISO 200 -
RAW data
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Cross type focus points - -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 28mm (1x) ()
Highest aperture f/2.5 -
Crop factor 1.5 5.8
Screen
Display type Fixed Type Fixed Type
Display sizing 3 inch 3 inch
Resolution of display 920k dots 460k dots
Selfie friendly
Liveview
Touch display
Display technology TFT color LCD -
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Slowest shutter speed 180 seconds 8 seconds
Maximum shutter speed 1/3200 seconds 1/2000 seconds
Continuous shooting rate 5.0 frames/s -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Set white balance
Image stabilization
Integrated flash
Flash options Auto, On, Off, Red-Eye, Slow Sync, Manual -
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) 1280 x 720
Highest video resolution 1280x720 1280x720
Video file format MPEG-4 -
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) none
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 140 gr (0.31 lb) -
Physical dimensions 113 x 70 x 56mm (4.4" x 2.8" x 2.2") 92 x 53 x 17mm (3.6" x 2.1" x 0.7")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 320 images -
Battery type Battery Pack -
Battery ID DB-90 -
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) -
Time lapse shooting
Type of storage SD/SDHC, Internal -
Card slots Single Single
Cost at launch $566 $130